Did the mod today. $3.00 for the caps. RS only had 220uF so that's where I'm starting. May go up to 270uF but for now everything is so much cleaner with the bass turned up.

One thing many forget when looking at high end audio...producers mix masters to sound best on an average stereo. ie Jensen or Pioneer home speakers etc.. Unless you are buying a recording specifically mixed flat or for high end HiFi, you still need to EQ. You also have to still dial in the room or car to account for natural resonances and reflections. Often folks are let down by high end systems due to the original mix of the music or soundtrack.

There is no perfect system except through trail and error. My husband used a pink noise generator to dial in our theather room. The system is flat to the room at the number one seating position from 20-20K, however every soundtrack still needs adjustment to sound best.